使用UsernamePasswordAuthenticationToken

方法一：

 

@Autowired
private final AuthenticationManagerBuilder authenticationManagerBuilder;

//方法中使用
 UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username(), password);

Authentication authentication = authenticationManagerBuilder.getObject().authenticate(authenticationToken);

 调用流程：

方法二：

    //在SecurityConfig提前注入AuthenticationManager由ProviderManager子类实现
    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }


        @Autowired
		private  AuthenticationManager authenticationManager;

        //方法使用
		UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username(), password);
        Authentication authentication1 = authenticationManager.authenticate(authenticationToken);

调用流程：

说明：

方法一和方法二唯一区别就是AuthenticationManagerBuilder和AuthenticationManager